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Romashka-Z-Leto [24]
3 years ago
6

Isabella worked 50 hours over the past two weeks, and she gets paid by the hour. During the first week of the two-week span, she

worked 30 hours and got paid $285.00. How much did she get paid during the second week of the two-week span?
Mathematics
2 answers:
mestny [16]3 years ago
6 0
$475.   because 285/30 = 9.5 and 9.5 x 50 = 475
Leokris [45]3 years ago
5 0

Answer: B. $190.000

Step-by-step explanation: divide $285.000 by 30 to get how much money she gets per hour, which is 9.5. Then multiply 9.5 to get 190. Hope this helps ya :D

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Last year, the Humane Society of a certain city took in 21,320 animals. If the Humane Society was open all 52 weeks that year, h
Gekata [30.6K]
21,320 animals / 52 weeks
= 410 animals per week on average

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7 0
3 years ago
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Write the three ratios that are equal to the ratios given: there is 6 i need answers for all of them please so i will give you a
Klio2033 [76]

Answer:

1. 6:10

2. 1:2

3. 1:3

4. 4:5

5. 3:4

6. 5:6

Step-by-step explanation:

4 0
3 years ago
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Please I need help ASAP
ExtremeBDS [4]
I’m not sure what it is but have a great day:)
5 0
3 years ago
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Let's use the results of the 2012 presidential election as our x0. Looking up the popular vote totals, we find that our initial
gavmur [86]

Answer:

Step-by-step explanation:

Step-by-step explanation:

The code for the problem is as follows:

%Defining the given matrices:

%P is the matrix showing the percentage of changes in voterbase

P = [ 0.8100 0.0800 0.1600 0.1000;

0.0900 0.8400 0.0500 0.0800;

0.0600 0.0400 0.7400 0.0400;

0.0400 0.0400 0.0500 0.7800];

%x0 is the vector representing the current voterbase

x0 = [0.5106; 0.4720; 0.0075; 0.0099];

%In MATLAB, the power(exponent) operator is defined by ^

%After 3 elections..

x3 = P^3 * x0;

disp("The voterbase after 3 elections is:");

disp(x3);

%After 6 elections..

x3 = P^6 * x0;

disp("The voterbase after 6 elections is:");

disp(x3);

%After 10 elections..

x10 = P^10 * x0;

disp("The voterbase after 10 elections is:");

disp(x10);

%After 30 elections..

x30 = P^30 * x0;

disp("The voterbase after 30 elections is:");

disp(x30);

%After 60 elections.

x60 = P^60 * x0;

disp("The voterbase after 60 elections is:");

disp(x60);

%After 100 elections.

x100 = P^100 * x0;

disp("The voterbase after 100 elections is:");

disp(x100);

<u>The output is as well as the code in the matlab is as attached.</u>

The output will be as follows:

The voter-base after 3 elections is therefore:

0.392565, 0.400734, 0.109855, 0.096846

The voter-base after 6 elections is therefore:

0.36168, 0.36294, 0.14176, 0.13362

The voter-base after 10 elections is therefore:

0.35405, 0.34074, 0.15342, 0.15178

The voter-base after 30 elections is therefore:

0.35463, 0.32854, 0.15697, 0.15986

The voter-base after 60 elections is therefore:

0.35465, 0.32849, 0.15698, 0.15988

The voter-base after 100 elections is therefore:

0.35465, 0.32849, 0.15698, 0.15988

5 0
3 years ago
PLEASE HELP!! Algebra 2
lawyer [7]

Answer:

No

Edit:

Yes, based on original equation. (Credit to greenpumpkin for correction)

Step-by-step explanation:

For this problem, we simply need to find the values of x that can make the equation true.  So, let's begin by isolating the "x" variable.

sqrt(2x + 13) = x + 5

[sqrt(2x + 13)]^2 = (x + 5)^2

2x + 13 = x^2 + 10x + 25

0 = x^2 + 8x + 12

Note, we can remove the sqrt method by squaring both sides of the equation.  Doing this, we see we have a quadratic equation meaning we can apply the quadratic formula to find solutions for x.

[-b +/- sqrt( b^2 - 4(a)(c) ) ] / 2a

Let a = 1, b = 8, and c = 12

[-8 +/- sqrt( (8)^2 - 4(1)(12) ) ] / 2(1)

= [-8 +/- sqrt( 64 - 48 ) ] / 2

= [-8 +/- sqrt(16) ] / 2

= [ -8 +/- 4 ] / 2

So, x = [ -8 + 4 ] / 2  and x = [-8 - 4 ] / 2

x = [-4] / 2 = -2  and x = [-12] / 2 = -6

Hence, the two values of x that can solve this quadratic equation are x = -2 and x = -6.

Therefore, we know that x = -6 is not extraneous, meaning it is a solution to our equation.

Cheers.

----------------------------------------------------

Edit:

Plugging the value of -6 back into the original equation, we get the following:

sqrt(2x + 13) = x + 5

sqrt(2(-6) + 13) = (-6) + 5

sqrt (1) = -1

1 != -1

Given that 1 cannot equal negative 1, we can say that x = -6 is an extraneous solution. (Credit to greenpumpkin for correction)

8 0
3 years ago
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